Kottaikādu climate — normals and trends

Q: What is the climate of Kottaikādu?

Kottaikādu has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.9 °C and it receives 979 mm of precipitation per year.

Q: What is the hottest day ever recorded in Kottaikādu?

The hottest day measured in Kottaikādu between 1940 and 2025 was 13 May 1956, reaching 39.1 °C.

Q: What is the coldest day in Kottaikādu?

The coldest day measured in Kottaikādu between 1940 and 2025 was 26 December 1941, at 19.2 °C.

Q: Does it snow in Kottaikādu?

Almost never: Kottaikādu sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Kottaikādu warmed?

Yes: Kottaikādu warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Kottaikādu?

The wettest day measured in Kottaikādu between 1940 and 2025 was 10 March 2009, with 238 mm of rain in 24 hours.

Q: What was the windiest day in Kottaikādu?

The windiest day measured in Kottaikādu between 1940 and 2025 was 31 October 2012, with winds reaching 58.5 km/h.

Q: What is the warmest month in Kottaikādu?

The warmest month in Kottaikādu is May (30.4 °C on average); the coldest is January (24.9 °C).

Q: How much does it rain in Kottaikādu?

Kottaikādu receives on average 979 mm of precipitation per year, spread over about 119 rainy days.

Q: Is it sunny in Kottaikādu?

Kottaikādu gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.

Kottaikādu (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.9 °C and it receives 979 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is May (30.4 °C on average) and the coldest is January (24.9 °C). Rainfall peaks in November.

Kottaikādu averages 0 frost days, 208 hot days (≥ 30 °C) and 119 rainy days per year.

Kottaikādu has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.

The hottest day of the period reached 39.1 °C (on 13 May 1956) and the coldest 19.2 °C (on 26 December 1941).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

KottaikāduTamil Nadu

coords: 12.26°, 79.98°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthMayColdest monthJanuaryWettest monthNovemberDriest monthFebruary

Mean daily temperature

27.9°C

Average daily high

30.5°C

Average daily low

25.9°C

Annual rainfall

979mm

Sunshine / day

10.2h

Mean relative humidity

75%

Average peak wind

20.2km/h

Seasonal range

5.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

208 d/yr

Rainy days (≥ 1 mm)

119 d/yr

Annual snowfall

0.0 cm

Average feels-like high

34.8 °C

Average feels-like low

29.2 °C

Average peak gust

33.7 km/h

Tropical nights (≥ 20 °C)

365 d/yr

Solar radiation

20.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.9 °C

since 1940

+0.1 °C per decade · r² = 0.58 · p = < 0.001

19402025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

39.1 °C

13 May 1956

Coldest day

19.2 °C

26 December 1941

Wettest day

238 mm

10 March 2009

Windiest day

58.5 km/h

31 October 2012

Strongest gust

95.8 km/h

31 October 2012

Hottest feels-like

44.6 °C

31 May 2024

Coldest feels-like

18.5 °C

9 December 2022

Sunniest day

12.7 h

29 May 1941

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	35.2 °C12 May 2025	22.5 °C23 December 2025	28.5 °C	980 mm	229
2024	35.9 °C31 May 2024	23.2 °C17 January 2024	28.8 °C	1,505 mm	234
2023	35.8 °C16 May 2023	21.9 °C16 January 2023	28.5 °C	1,132 mm	224
2022	34.4 °C29 June 2022	21.7 °C9 December 2022	28.2 °C	1,142 mm	221
2021	34.9 °C15 June 2021	22.4 °C23 December 2021	28.3 °C	1,620 mm	213
2020	37.3 °C19 May 2020	21.9 °C14 January 2020	28.4 °C	1,408 mm	217
2019	35.9 °C17 June 2019	22.1 °C22 January 2019	28.6 °C	956 mm	233
2018	35.5 °C10 June 2018	21.5 °C2 February 2018	28.3 °C	643 mm	222
2017	36.0 °C18 May 2017	22.0 °C10 January 2017	28.4 °C	1,179 mm	224
2016	35.2 °C16 August 2016	21.9 °C11 December 2016	28.6 °C	736 mm	245
2015	35.9 °C6 July 2015	22.2 °C13 November 2015	28.3 °C	1,357 mm	218
2014	36.2 °C16 June 2014	21.3 °C6 February 2014	28.3 °C	1,040 mm	216
2013	36.6 °C25 May 2013	22.0 °C10 December 2013	28.2 °C	800 mm	225
2012	35.9 °C8 June 2012	20.2 °C17 January 2012	28.2 °C	848 mm	227
2011	35.2 °C20 July 2011	21.1 °C27 December 2011	28.0 °C	1,138 mm	218
2010	36.4 °C27 May 2010	21.6 °C6 December 2010	28.2 °C	1,361 mm	218
2009	35.9 °C21 July 2009	21.3 °C24 January 2009	28.3 °C	1,187 mm	216
2008	35.7 °C17 May 2008	21.3 °C15 January 2008	27.9 °C	1,097 mm	203
2007	35.9 °C10 May 2007	21.4 °C26 December 2007	27.8 °C	1,261 mm	193
2006	35.6 °C3 July 2006	20.7 °C20 January 2006	28.0 °C	1,046 mm	212
2005	36.4 °C17 June 2005	21.3 °C11 January 2005	28.1 °C	1,654 mm	211
2004	34.9 °C22 August 2004	21.4 °C18 January 2004	27.8 °C	1,169 mm	200
2003	36.2 °C30 May 2003	20.2 °C15 December 2003	28.2 °C	649 mm	212
2002	36.1 °C11 May 2002	21.6 °C21 December 2002	28.2 °C	658 mm	207
2001	36.3 °C27 May 2001	21.8 °C7 February 2001	28.2 °C	1,101 mm	212
2000	36.4 °C14 May 2000	20.4 °C23 January 2000	27.9 °C	747 mm	212
1999	35.8 °C14 April 1999	20.8 °C27 January 1999	28.0 °C	738 mm	213
1998	36.0 °C29 May 1998	21.7 °C16 December 1998	28.4 °C	1,014 mm	222
1997	35.9 °C19 May 1997	20.6 °C17 February 1997	28.0 °C	957 mm	205
1996	35.4 °C13 May 1996	20.6 °C2 December 1996	27.7 °C	1,573 mm	198
1995	35.0 °C7 June 1995	21.3 °C23 January 1995	27.9 °C	808 mm	201
1994	35.3 °C8 May 1994	20.6 °C13 December 1994	27.9 °C	890 mm	206
1993	35.5 °C14 July 1993	20.7 °C19 January 1993	27.9 °C	1,203 mm	207
1992	35.6 °C21 May 1992	20.7 °C7 January 1992	27.8 °C	616 mm	208
1991	36.0 °C23 July 1991	21.6 °C29 January 1991	28.1 °C	909 mm	214
1990	35.9 °C22 June 1990	19.3 °C15 January 1990	28.0 °C	1,081 mm	217
1989	35.8 °C29 April 1989	19.3 °C4 February 1989	27.6 °C	1,044 mm	196
1988	36.0 °C10 May 1988	21.2 °C1 December 1988	28.1 °C	989 mm	217
1987	36.6 °C5 June 1987	21.4 °C2 February 1987	28.1 °C	899 mm	203
1986	36.3 °C18 May 1986	21.6 °C16 January 1986	28.0 °C	884 mm	212
1985	37.2 °C30 May 1985	21.2 °C28 January 1985	27.9 °C	912 mm	205
1984	35.8 °C4 June 1984	20.8 °C14 December 1984	27.7 °C	1,241 mm	179
1983	36.8 °C31 May 1983	20.9 °C9 January 1983	28.1 °C	810 mm	225
1982	35.2 °C1 June 1982	21.5 °C11 January 1982	28.0 °C	466 mm	206
1981	36.5 °C20 June 1981	20.0 °C11 December 1981	27.8 °C	782 mm	193
1980	37.1 °C23 May 1980	20.7 °C28 January 1980	28.1 °C	609 mm	211
1979	35.9 °C27 June 1979	21.4 °C24 November 1979	28.0 °C	910 mm	186
1978	36.5 °C18 May 1978	19.5 °C19 January 1978	27.9 °C	926 mm	201
1977	35.0 °C1 June 1977	19.8 °C27 January 1977	27.7 °C	921 mm	190
1976	37.1 °C5 May 1976	20.7 °C18 January 1976	27.6 °C	815 mm	193
1975	35.3 °C16 May 1975	19.8 °C11 January 1975	27.7 °C	943 mm	197
1974	35.3 °C17 June 1974	20.4 °C6 February 1974	27.7 °C	649 mm	205
1973	36.6 °C9 May 1973	21.4 °C10 December 1973	28.0 °C	788 mm	202
1972	36.8 °C5 June 1972	20.7 °C6 January 1972	27.7 °C	1,007 mm	186
1971	35.7 °C23 May 1971	21.3 °C21 December 1971	27.5 °C	990 mm	191
1970	35.5 °C15 May 1970	20.5 °C3 December 1970	27.8 °C	851 mm	211
1969	35.8 °C20 May 1969	20.0 °C27 January 1969	28.1 °C	1,336 mm	210
1968	35.7 °C4 June 1968	21.1 °C17 January 1968	27.8 °C	947 mm	199
1967	35.8 °C25 May 1967	20.0 °C7 February 1967	27.6 °C	1,091 mm	188
1966	37.6 °C24 May 1966	20.3 °C14 December 1966	27.6 °C	1,473 mm	186
1965	36.5 °C1 June 1965	21.4 °C14 January 1965	27.6 °C	1,135 mm	203
1964	38.0 °C13 May 1964	20.2 °C15 January 1964	27.7 °C	1,003 mm	206
1963	37.4 °C27 May 1963	20.3 °C13 February 1963	27.6 °C	1,117 mm	204
1962	35.3 °C25 May 1962	21.4 °C5 January 1962	27.5 °C	759 mm	179
1961	35.1 °C27 May 1961	21.3 °C26 December 1961	27.6 °C	619 mm	204
1960	36.3 °C7 June 1960	20.3 °C4 February 1960	27.6 °C	1,176 mm	193
1959	36.0 °C23 May 1959	21.6 °C12 February 1959	27.9 °C	855 mm	216
1958	36.5 °C5 June 1958	21.8 °C14 February 1958	28.0 °C	993 mm	220
1957	35.0 °C4 July 1957	20.2 °C6 February 1957	27.7 °C	776 mm	201
1956	39.1 °C13 May 1956	19.9 °C22 January 1956	27.3 °C	1,039 mm	188
1955	35.7 °C11 May 1955	20.6 °C30 December 1955	27.2 °C	1,194 mm	190
1954	36.6 °C29 May 1954	20.1 °C20 January 1954	27.4 °C	942 mm	202
1953	36.5 °C6 June 1953	21.3 °C22 December 1953	27.9 °C	622 mm	207
1952	37.6 °C19 May 1952	21.7 °C21 January 1952	28.2 °C	377 mm	242
1951	36.4 °C9 May 1951	20.8 °C27 February 1951	27.9 °C	797 mm	216
1950	37.0 °C25 May 1950	21.0 °C2 January 1950	27.8 °C	436 mm	222
1949	35.9 °C23 April 1949	21.6 °C7 January 1949	27.6 °C	695 mm	204
1948	36.0 °C18 May 1948	22.0 °C26 December 1948	27.9 °C	1,051 mm	214
1947	35.6 °C23 June 1947	21.7 °C6 February 1947	27.7 °C	717 mm	190
1946	38.1 °C12 May 1946	19.9 °C29 January 1946	27.6 °C	1,266 mm	215
1945	37.2 °C10 June 1945	20.4 °C7 February 1945	27.8 °C	832 mm	215
1944	35.3 °C17 June 1944	21.7 °C26 January 1944	27.6 °C	1,092 mm	194
1943	35.6 °C14 May 1943	20.8 °C17 February 1943	27.0 °C	1,467 mm	170
1942	35.0 °C18 May 1942	20.6 °C1 January 1942	27.3 °C	847 mm	186
1941	38.2 °C23 May 1941	19.2 °C26 December 1941	27.7 °C	1,273 mm	202
1940	35.7 °C2 June 1940	20.0 °C9 January 1940	27.7 °C	598 mm	222

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Year

Across the whole year

Average daily high

30.8 °C

+0.3 °C

Hot days (≥ 30 °C)

229 d/yr

+21

Frost days (< 0 °C)

0 d/yr

Annual rainfall

980 mm

+1 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	27.8 °C	+0.7 °C	33 mm	+5 mm
Feb	29.1 °C	+0.8 °C	3 mm	-8 mm
Mar	30.8 °C	+0.8 °C	25 mm	+7 mm
Apr	32.0 °C	+0.3 °C	22 mm	-0 mm
May	32.8 °C	-0.5 °C	85 mm	+48 mm
Jun	33.7 °C	+0.2 °C	29 mm	-9 mm
Jul	33.6 °C	+0.8 °C	32 mm	-25 mm
Aug	31.8 °C	-0.5 °C	85 mm	+5 mm
Sep	31.9 °C	+0.3 °C	86 mm	-12 mm
Oct	29.9 °C	+0.1 °C	233 mm	+25 mm
Nov	28.9 °C	+0.8 °C	259 mm	+10 mm
Dec	27.5 °C	+0.4 °C	91 mm	-46 mm

The year's extremes

Hottest day

35.2 °C

12 May 2025

Coldest day

22.5 °C

23 Dec 2025

Wettest day

83.3 mm

29 Nov 2025

Windiest day

36.1 km/h

28 Nov 2025

Strongest gust

57.2 km/h

28 Nov 2025

Hottest feels-like

43.2 °C

12 May 2025

Coldest feels-like

23.9 °C

13 Dec 2025

Sunniest day

12.4 h

6 Jun 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Kottaikādu?

Kottaikādu has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.9 °C and it receives 979 mm of precipitation per year.

What is the hottest day ever recorded in Kottaikādu?

The hottest day measured in Kottaikādu between 1940 and 2025 was 13 May 1956, reaching 39.1 °C.

What is the coldest day in Kottaikādu?

The coldest day measured in Kottaikādu between 1940 and 2025 was 26 December 1941, at 19.2 °C.

Does it snow in Kottaikādu?

Almost never: Kottaikādu sees virtually no snow, with about 0 frost days per year.

Has the climate of Kottaikādu warmed?

Yes: Kottaikādu warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Kottaikādu?

The wettest day measured in Kottaikādu between 1940 and 2025 was 10 March 2009, with 238 mm of rain in 24 hours.

What was the windiest day in Kottaikādu?

The windiest day measured in Kottaikādu between 1940 and 2025 was 31 October 2012, with winds reaching 58.5 km/h.

What is the warmest month in Kottaikādu?

The warmest month in Kottaikādu is May (30.4 °C on average); the coldest is January (24.9 °C).

How much does it rain in Kottaikādu?

Kottaikādu receives on average 979 mm of precipitation per year, spread over about 119 rainy days.

Is it sunny in Kottaikādu?

Kottaikādu gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.

Are there tropical nights in Kottaikādu?

Yes: Kottaikādu has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Kottaikādu?

In Kottaikādu, between 1940 and 2025, the highest apparent temperature reached 44.6 °C on 31 May 2024, and the lowest was 18.5 °C on 9 December 2022.

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